| Sir Norman Lockyer - 1879 - 622 pagina’s
...that have been identified by their leaves and fruits in the arctic later tertiary deposits. "... . Long genealogies always deal more or less in conjecture...dispersed over such widely separated continents." Prof. Gray then shows what would naturally follow from a gradual pushing of the Arctic vegetation southwards,... | |
| 1878 - 550 pagina’s
...when we announce that our existing temperate trees came from the north, and within the bounds of nigh probability when we claim not a few of them as the originals of present species. Kemains of the same plants have been found fossil in our temperate region, as well as in Europe. Here,... | |
| Geological and Geographical Survey of the Territories (U.S.) - 1882 - 680 pagina’s
...when we announce that our existing temperate trees came from the north, and within the bounds of nigh probability when we claim not a few of them as the...came to be so dispersed over such widely separated continente. The lands all diverge from a polar centre, and their proximate portions, however different... | |
| 1882 - 660 pagina’s
...те announce that our existing temperate trees came from the north, und within the bounds of nigh probability when we claim not a few of them as the...originals of present species. Remains of the same plants havo been found fossil in our temperate roción, as well as in Europe. Ht-re, then, we have reached... | |
| Sir John William Dawson - 1888 - 422 pagina’s
...when we announce that our existing temperate trees came from the north, and within the bounds of nigh probability when we claim not a few of them as the...fossil in our temperate region as well as in Europe." * Address to American Association. f " American Journal of Science," xvi., 1878. Between 1860 and 1870... | |
| Asa Gray - 1889 - 520 pagina’s
...when we announce that our existing temperate trees came from the north, and within the bounds of nigh probability when we claim not a few of them as the...dispersed over such widely separated continents. The lauds all diverge from a polar centre, and their proximate portions — however different from their... | |
| Asa Gray - 1889 - 520 pagina’s
...when we announce that our existing temperate trees came from the north, and within the bounds of nigh probability when we claim not a few of them as the originals of present species. Remaius of the same plants have been found fossil in our temperate region, as well as in Europe. Here,... | |
| Sir John William Dawson - 1893 - 598 pagina’s
...high probability when we 1 Address to American Association. 1 American Journal of Science, xvi., 1878. claim not a few of them as the originals of present...fossil in our temperate region, as well as in Europe." Between 1860 and 1870 the writer was engaged in working out all that could be learned of the Devonian... | |
| Hamilton Scientific Association - 1898 - 682 pagina’s
...inference when we announce that our existing temperate trees came from the North. Remains of the same plant have been •found fossil, in our temperate region, as well as in Europe.'' Commenting: on this extract, Sir W. Dawson remarks : "Tho truly Eocene Flora of the temperate and Northern... | |
| 1928 - 434 pagina’s
...down to Southern Europe, to Middle Asia, to the middle and southern part of the United States"; .... "Here then, we have reached a fair answer to the question...the same or similar species of our trees came to be dispersed over such widely separated continents. The lands all diverge from a polar center, and their... | |
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